fix apt-get retry logic
fix apt-get retry logic

ruffsl/ros_buildfarm,ros-infrastructure/ros_buildfarm,mistoll/ros_buildfarm,mistoll/ros_buildfarm,ros-infrastructure/ros_buildfarm,mistoll/ros_buildfarm,ruffsl/ros_buildfarm,ros-infrastructure/ros_buildfarm,ruffsl/ros_buildfarm